Liam l



(No Model.)

' W. H. CARR.

TROLLEY HEAD.

' K Patented Mar. 3, 1896.

UNITED STATES 'PATENT OFFICE.

WARREN H. CARR, OF BATH, MAINE, ASSIGNOR OF FIVE-EIGHTHS TO WIL- LIAM L.WHITE, ALBERT I-I. SHAW, AND CHARLES R. DAWNELL, OF SAME PLACE.

TROLLEY-HEAD.

SPECIFICATION forming part of Letters Patent No. 555,674, dated March 3,1896.

` Appiicationneaoaoteri,1895. seralNo. 565,711. 11@ model.)

To all whom it may concern: a central opening S, which receives the stemBe it known that LWARREN H. CARR, a citii T of the trolley-carrier. 50zen of the United States, residing at Bath, in From this construction itwill be seen that the county of Sagadahoc and State of Maine, the spoolor ferrule which has the upper fiat have invented certain new and usefulImportion is in a perfectly straight or vertical provements inTrolley-Heads; andIdo hereby line with reference to the trolley carrieror declare the following to be a full, clear, and frame and that theupper portion of the fer- 55 exact description of the invention, such asrule is iiatand thus aperfect bearing between will enable others skilledin the art to `which the carrier and ferrule is provided, and fur- Io itappertains to make and use the same. thermore the trolley-wheel beingarranged in My invention relates to improvements in a vertical planealso bears reliably at all times trolley-heads; and the object of myinvention upon the conductor. 6o is the provision of a head of simpleand in- Formed integral with the spool or ferrule expensive constructionwhich will insure an and at an angle or incline with reference 1 5 easyand smooth running of the trolley-wheel thereto is the socket-piece T',to which is conand also cause the wheel with its frame to turn nectedthe plate U, which prevents undue or easily around curves in theconductor and improper movement of the trolley-wheel, and 65 thus insurean easy running and thoroughly the fastening V of said plate passes intothe practical device of this character. socket and forms a rib V'-,which receives the 2o To attain the desired objects the invention threadW on the reduced end of the trolley consists of a trolley-head embodyingnovel arm or rod W', and thus makes a secure fasfeatures of constructionand combination of tening between the socket and said trolley 7o parts,substantially as disclosed herein. rod or arm. To the forward portion ofthe Figure 1 represents a perspective view of ferrule is connected thelower end of the my improved trolley-head. Fig. 2 represents spring-armX, the upper end whereof en. averticallongitudinal sectionalview,andFig. gages the loop or eye Y, attached to the front 3 represents avertical transverse section. portion of the trolley-wheel carrier orframe. 75 In the accompanying drawings, the letter The purpose of thisspring-arm is to prevent A designates the trolley-wheel provided withwabbling or improper movement of the trol- 3o the central opening B andthe annular chanley-Wheel as it moves along over the connels or groovesC, and in said central opening ductor. fits the axle or shaft D, havingthe threaded From the foregoing description taken in 8o ends E toreceive the adjusting and securing connection with the drawings it isevident that nuts F, and on the ends of said shaft fit the I provide atrolley-head in which the trolley caps Gr, having the curved rim H,which, in has a perfect vertical bearing and also by connection with therecesses or grooves of the reason of the ball-bearings between the wheeltrolley-wheel, forma cone-bearingJ to receive and frame and the frameand ferrule all fric- 8 5 the balls K, thus forming for thetrolley-wheel tion is avoided and a smooth and easy motion a perfectball-bearing, and insuring a perfect of the conductor is assured. Itwill also be 4o running of the wheel or trolley. The ends of understoodthat the angle of the socket-piece the shaft which extend beyond thetrolleyand the vertical arrangement of the ferrule wheel are mounted inthe open bearings L of and trolley carrier with reference thereto 9o thetrolley carrier or frame M, which has its makes a reliable bearing ofthe trolley-wheel lower portion made perfectly flat and provided on theconductor and the spring-arm prevents with an annular groove or channelN, in which wabbling of the trolley frame or carrier and ts theball-bearing O, and said ball-bearings the plate connected to thesocket-piece prealso rest in a groove P formed on the platvents thetrolley from leaving the conductor. form Q of the ferrule R, which isformed with I claim- The combination of the rod having the threaded end,the head having the socket to receive said end, the iat ilexible platesecured to saidhead and having one of the seeurng-bolts engaging thethreads in the end of the i'od, the trolley-carrier pivoted on saidhead, ball-bearings between the head and oai'- lier, the trolley mountedin the earl-ler, the bal1-bea1-ings for said trolley, and the sprin ghaving one end connected rigidly to the front 1o of the head and theother end loosely engag ing the front of the ti'olley-ea11ie1.

In testimony whereof I affix my signature in presence of two Witnesses.

TARREN II. CARR. Titnesses WM. D. MUSSENDEN, O. B. MUSSENDEN.

